164039840

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:382

約数の個数: 96

約数和(自身を含む): 401962176

約数和(自身を除く): 237922336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 113, 160, 172, 211, 215, 226, 344, 422, 430, 452, 565, 688, 844, 860, 904, 1055, 1130, 1376, 1688, 1720, 1808, 2110, 2260, 3376, 3440, 3616, 4220, 4520, 4859, 6752, 6880, 8440, 9040, 9073, 9718, 16880, 18080, 18146, 19436, 23843, 24295, 33760, 36292, 38872, 45365, 47686, 48590, 72584, 77744, 90730, 95372, 97180, 119215, 145168, 155488, 181460, 190744, 194360, 238430, 290336, 362920, 381488, 388720, 476860, 725840, 762976, 777440, 953720, 1025249, 1451680, 1907440, 2050498, 3814880, 4100996, 5126245, 8201992, 10252490, 16403984, 20504980, 32807968, 41009960, 82019920, 164039840]

約数ペア:

[(1, 164039840), (2, 82019920), (4, 41009960), (5, 32807968), (8, 20504980), (10, 16403984), (16, 10252490), (20, 8201992), (32, 5126245), (40, 4100996), (43, 3814880), (80, 2050498), (86, 1907440), (113, 1451680), (160, 1025249), (172, 953720), (211, 777440), (215, 762976), (226, 725840), (344, 476860), (422, 388720), (430, 381488), (452, 362920), (565, 290336), (688, 238430), (844, 194360), (860, 190744), (904, 181460), (1055, 155488), (1130, 145168), (1376, 119215), (1688, 97180), (1720, 95372), (1808, 90730), (2110, 77744), (2260, 72584), (3376, 48590), (3440, 47686), (3616, 45365), (4220, 38872), (4520, 36292), (4859, 33760), (6752, 24295), (6880, 23843), (8440, 19436), (9040, 18146), (9073, 18080), (9718, 16880)]